49102949128 has 16 divisors (see below), whose sum is σ = 92089792080. Its totient is φ = 24545671248.

The previous prime is 49102949053. The next prime is 49102949173. The reversal of 49102949128 is 82194920194.

It is a super-2 number, since 2×49102949128² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689350 + ... + 757237.

It is an arithmetic number, because the mean of its divisors is an integer number (5755612005).

Almost surely, 2^49102949128 is an apocalyptic number.

It is an amenable number.

49102949128 is a deficient number, since it is larger than the sum of its proper divisors (42986842952).

49102949128 is a wasteful number, since it uses less digits than its factorization.

49102949128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450836 (or 1450832 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 49102949128 in words is "forty-nine billion, one hundred two million, nine hundred forty-nine thousand, one hundred twenty-eight".